Orcinus orca is the only recognized extant species in the genus Orcinus, one of many animal species originally described by Linnaeus in 1758 in Systema Naturae.
Killer whale (Orcinus orca), also called orca, largest member of the dolphin family (Delphinidae).
The animal in question, Orcinus orca, is actually the largest dolphin.
Polar bears (Ursus maritimus), killer whales (Orcinus orca), and large sharks are the natural predators of harp seals.
Adult white sharks fear few other animals; however, in at least one documented instance, an adult killer whale (Orcinus orca) attacked and killed an adult white shark.
Adult macaroni penguins are preyed upon by fur seals (Arctocephalus), leopard seals (Hydrurga leptonyx), and killer whales (Orcinus orca) at sea.
In the ocean, adults and juveniles are killed and eaten by killer whales (Orcinus orca), fur seals (Arctocephalus), sea lions (Otaria), and giant fulmars (Macronectes giganteus).
Currently, all orcas are lumped into a single species, Orcinus orca, but if the Morin team's recommendations are accepted, conservationists would wish to make sure that each is protected.
Killer whales (Orcinus orca) and leopard seals (Hydrurga leptonyx) prey upon adult and juvenile Adélie penguins at sea; leopard seals also attack and kill Adélie penguins from beneath thin ice.
What is known about Keiko is this: he is an Orcinus orca, commonly called the orca or killer whale; weighing as much as ten thousand pounds, the orca is the largest member of the dolphin family — big mouth, big teeth, big appetite.
The largest carnivores that consume large prey include the toothed whales (order Odontoceti for example, the killer whales, Orcinus orca), great white sharks (Carcharodon carcharias), tiger sharks (Galeocerdo cuvier), black marlin (Makaira indica), bluefin tuna (Thunnus thynnus), and giant groupers (Epinephelus lanceolatus).
